S
M
T
W
T
F
S
26
87°
70°
27
88°
70°
28
88°
71°
29
89°
69°
30
87°
70°
31
87°
68°
1
81°
66°
2
80°
65°
3
81°
68°
4
83°
69°
5
84°
69°
6
86°
68°
7
87°
69°
8
87°
69°
9
86°
68°
10
86°
69°
11
87°
69°
12
87°
68°
13
88°
68°
14
89°
61°
15
87°
63°
16
82°
66°
17
83°
65°
18
87°
65°
19
86°
60°
20
82°
58°
21
78°
58°
22
79°
59°
23
79°
59°
24
80°
58°
25
79°
63°
26
79°
61°
27
85°
60°
28
85°
59°
29
78°
58°
30
76°
57°
31
77°
57°
1
76°
58°
2
76°
57°
3
77°
57°
4
77°
58°
5
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gary
Gary's August 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 57° and 71°. The average high for August is 83° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Gary. See also: September | October | November.
